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Update document and README
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@@ -48,6 +48,8 @@ STATUS
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(probably because UART0 is used with the board controller???). Pins
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(probably because UART0 is used with the board controller???). Pins
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are not available for other U[S]ARTs on the board.
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are not available for other U[S]ARTs on the board.
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DMA and USART-based SPI supported are included, but not yet tested.
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2014-10-29: Calibrated the delays loops.
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2014-10-29: Calibrated the delays loops.
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2014-10-29: The start-up time is long -- about a second. I have traced
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2014-10-29: The start-up time is long -- about a second. I have traced
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